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A gas of unknown molecular

if calculating molecular weight of unknown by freezing point depression...All of the unknowns in the activity were nonpolar
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2. asked by JENNA
3. 805 views
A 0.01205 mg sample of an unknown compound was found to contain 0.0001 mg of H, 0.0043 mg of Cl, and 0.0077 mg of O. It was also
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2. asked by Mike
3. 783 views
In an effusion 15 ml of HBr effused in 1.0 min. In the same apparatus under the same conditions, 20.3 ml of an unknown gas
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2. asked by Anonymous
3. 887 views
A 0.02718 mg sample of an unknown compound was found to contain 0.0094 mg of Fe, and 0.0178 mg of Cl. It was also determined
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2. asked by anonymous
3. 665 views
A 0.01020 mg sample of an unknown compound was found to contain 0.0084 mg of C, and 0.0018 mg of H. It was also determined that
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2. asked by HELP
3. 671 views
An unknown organic compound is 40.00% C, 6.67% H and 53.33% O by mass. The formula weight of the unknown is 90.0g/mole. Find the
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2. asked by Chelsea
3. 1,593 views
In a molecular weight determination, a volume of an unknown gas effused through a small opening in 40 seconds while the same
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2. asked by Casey
3. 577 views
I there, this is my lab worksheet, I am having trouble filling it out. Please help me with it.Expt #1- Molecular Weight of
1. 7 answers
2. asked by Steve
3. 1,019 views
0.82g of an unknown gass is at 30 degrees C in 3L container at a pressure of 15.9psi. What is the molecular weight of the
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2. asked by kendra
3. 517 views
A solution which contains 40.3 g of an unknown molecular compound in 360 g of water freezes at -5.07°C.What is the molar mass
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2. asked by paul
3. 948 views